While dealing with the aftermath of the explosion of anti-time, the TARDIS created a series of holographic projections, taken partly from reality and partly from the memories of the Eighth Doctor, Charley Pollard and the TARDIS itself. One projection which it created was the event at Winkle's Wonderland, for information on the Divergence. Inside, this projection placed Charley in the role of General Mouse and itself in the role of Corporal Dodo. The projection of Winkle was created using the image of the Seventh Doctor.

Soon after, the TARDIS was drawn into a special corner of the Matrix and reduced to scrap by Rassilon and Zagreus. Before being destroyed, though, it recreated projections of Walton Winkle, Reverend Matthew Townsend and Lord Provost Tepesh in the Matrix to help return fragments of the Doctor's mind to him. The projection of Winkle repaired K9 Mark II, something only the Doctor and Romana[which?] could do in reality. However, he was killed with a dagger forged from the essence of the TARDIS. (AUDIO: Zagreus)

Walton Winkle has only been seen in projections, both in the TARDIS and in the Matrix. These projections contained facets of the Doctor, so Winkle's appearance was strongly reminiscent of the Doctor's seventh incarnation. (AUDIO: Zagreus)

Walton Winkle is a rather obvious reference to Walt Disney, the founder of the Disney company. Like how Disney went by the nickname "Uncle Walt" and created the themepark Disneyland, Winkle went by the nickname "Uncle Winkie" and also created a themepark of his own. Even the fact that Winkle was frozen cryogenically inside his themepark, is a reference to the popular urban legend that Disney's head was separated from his body after his death and stored in a frozen state underneath Disneyland.